fig2
Figure 2. (A) Image showing perovskite films subjected to partial ALD treatments employing H2O, DEZn, or TDMASn or subjected to complete ALD processes for either ZnO or SnOx. Reprinted with permission from ref.[34]. Copyright 2017 American Chemical Society. (B) XPS pattern of O 1s spectra for three distinct perovskite samples: pristine, post thermal ALD Al2O3, and ZnO treatments. (C) Normalized areas of the MAPbI3 {110} peak and PbI2 {001} peak. Reprinted with permission from ref.[35]. Copyright 2017 Royal Society of Chemistry.
